Compare the solubility of calcium sulfide in each of the following aqueous solutions:

i. 0.10 M Ca(CH3COO)2 ii. 0.10 M K2S iii. 0.10 M NaCH3COO iv. 0.10 M NH4NO3

a. More soluble than in pure water.
b. Similar solubility as in pure water.
c. Less soluble than in pure water.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action